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DBC Substrate Thickness and Copper Layer Guide: What to Specify Before You Order

DBC Substrate Thickness and Copper Layer Guide: What to Specify Before You Order

Struggling to balance thermal dissipation with high-voltage isolation? You can’t make the difficult compromises with off-the-shelf DBCs, because the ceramic is too thick for your thermal budget or the copper is too thin for your current ratings. You need this technical framework  to define custom DBC substrates to exactly meet your power module’s electrical and thermal requirements. What Is a DBC Ceramic Substrate? A DBC substrate is different than a conventional printed circuit board as it is a combination of copper foil that is bonded to a ceramic base without any adhesives or solder between the copper and the ceramic. […]

2026-07-01

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How DBC Ceramic Substrates Are Made: Process, Materials, and Supplier Checklist

How DBC Ceramic Substrates Are Made: Process, Materials, and Supplier Checklist

You are procuring substrates to a power module and you must get it correct. This guide will take you through the DBC ceramic substrate manufacturing process, assist you select the correct ceramic material and what to look at before selecting a direct bonded copper substrate supplier. What Is a Direct Bonded Copper (DBC) Ceramic Substrate? A direct bonded copper (DBC) substrate is a substrate that bonds copper foil to a ceramic base - no adhesives, no solder, nothing in between. You have good thermal conductivity, solid mechanical strength, and electrical insulation all in a single package. This is why DBC […]

2026-04-13

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